Case or Controversy Exists Where Generic Manufacturer Seeks Declaratory Judgment of Non-Infringement of Orange Book-Listed Patent Disclaimed by Brand Manufacturer


Apotex Inc. v. Daiichi Sankyo, Inc., Nos. 2014-1282, 2014-1291 (Fed. Cir. Mar. 31, 2015)

Apotex, Inc. sued Daiichi Sankyo Co., Ltd. and Daiichi Sankyo, Inc. in the United States District Court for the Northern District of Illinois for a declaratory judgment of non-infringement of a Daiichi-owned, but Daiichi-disclaimed, patent, if Apotex were to manufacture or sell a generic drug bioequivalent of Daiichi’s Benicar®. On March 31, 2015, a three-judge Federal Circuit panel unanimously reversed the district court’s dismissal for lack of case of controversy. The Federal Circuit found that Apotex has a concrete, potentially high-value stake in obtaining a declaratory judgment, and that both Daiichi and generic manufacturer Mylan Pharmaceuticals, Inc. have a concrete, potentially high-value stake in denying Apotex that judgment and thereby delaying Apotex’s market entry.

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